How the world's oldest light bulb has stayed lit for over 100 years

There is a light bulb in a California fire house that has been lit for over 100 years. Here's how the world's most famous ...
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What Is The Science Behind The Light Bulb?

A light bulb is a device that produces light when powered by electricity. It's one of the most important inventions in history. Light bulbs help us see in the dark, work at night, and live more ...